The pick for a cold garage or basement: its heat pump keeps working in rooms down to 23 °F. Sold through LG’s HVAC dealers.
The LG Inverter Heat Pump 58 Gal rates 3.7 among 65 gallon heat pump water heaters; the LG Inverter Heat Pump 80 Gal rates 3.7 among 80 gallon ones.

The pick for a cold garage or basement: its heat pump keeps working in rooms down to 23 °F. Sold through LG’s HVAC dealers.
Prices were last checked October 21, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Scores side by side
These two sit in different size classes (65 gallon and 80 gallon), and each is scored against the reference points for its own class, so a rating says how well each does among its own size peers. How we rank explains each factor.
| Factor weight | LG Inverter Heat Pump 58 Gal | LG Inverter Heat Pump 80 Gal |
|---|---|---|
| Overall rating | 3.7/5 | 3.7/5 |
| Efficiency 35% | 66 3.93 UEF | 64 3.90 UEF |
| Hot water 20% | 64 76 gallons in the first hour | 76 94 gallons in the first hour |
| Warranty 20% | 30 10-year tank, 1-year parts | 30 10-year tank, 1-year parts |
| Cold rooms 15% | 88 heat pump runs down to 23 °F room air | 88 heat pump runs down to 23 °F room air |
| Noise 10% | 88 42 dB(A) | 50 noise not published (neutral score used) |
Specifications
| LG Inverter Heat Pump 58 Gal | LG Inverter Heat Pump 80 Gal | |
|---|---|---|
| Ratings (ENERGY STAR) | ||
| Size (nominal) | 58 gal | 80 gal |
| Tank volume (measured) | 53 gal | 72 gal |
| Uniform Energy Factor | 3.93 | 3.90 |
| First-hour rating | 76 gal | 94 gal |
| Draw pattern | High | High |
| Yearly energy use | 1,262 kWh | 1,272 kWh |
| Heat pump cut-off (low) | 23 °F | 23 °F |
| Sound level | 42 dB(A) | - |
| ENERGY STAR ID | 2670610 | 2682263 |
| Installation | ||
| Power | 240 V | 240 V |
| Circuit | 30 A, 208/240 V | 30 A, 208/240 V |
| Backup element | 5,000 W | 5,000 W |
| Operating air range | 23 to 120 °F | 23 to 120 °F |
| Minimum room size | 700 cu ft | 700 cu ft |
| Size | 47.6 in tall, 19.7 in across | 62.7 in tall, 19.7 in across |
| Weight | 220 lb | 224 lb |
| Refrigerant | R-134a | R-134a |
| Features | ||
| Wi-Fi | Built in | Built in |
| App | LG ThinQ | LG ThinQ |
| Modes | Auto, Turbo, Heat Pump, Vacation | Auto, Turbo, Heat Pump, Vacation |
| Warranty and models | ||
| Warranty | 10 yr tank, 1 yr parts | 10 yr tank, 1 yr parts |
| Released | 2023-04 | 2023-04 |